vtkWebGPUComputeTexture.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkWebGPUComputeTexture_h
#define vtkWebGPUComputeTexture_h
 
#include "vtkDataArray.h"             // for vtkDataArray used in SetData
#include "vtkLogger.h"                // for the logger
#include "vtkRenderingWebGPUModule.h" // For export macro
#include "vtkWebGPUTexture.h"
#include "vtk_wgpu.h" // for dawn classes
 
VTK_ABI_NAMESPACE_BEGIN
 
class vtkWebGPURenderer;
 
class VTKRENDERINGWEBGPU_EXPORT vtkWebGPUComputeTexture : public vtkWebGPUTexture
{
public:
  vtkTypeMacro(vtkWebGPUComputeTexture, vtkObject);
  static vtkWebGPUComputeTexture* New();
 
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetMacro(ByteSize, vtkIdType);
  vtkSetMacro(ByteSize, vtkIdType);
 
  template <typename T>
  void SetData(const std::vector<T>& data)
  {
    this->DataPointer = data.data();
    this->ByteSize = data.size() * sizeof(T);
  }
 
  void SetData(vtkDataArray* data);
 
 
  vtkGetMacro(DataType, TextureDataType);
  vtkSetMacro(DataType, TextureDataType);
 
  const void* GetDataPointer() { return this->DataPointer; }
 
  vtkDataArray* GetDataArray() { return this->DataArray; }
 
 
  const std::string& GetLabel() const { return this->Label; }
  vtkGetMacro(Label, std::string&);
  vtkSetMacro(Label, std::string);
 
protected:
  vtkWebGPUComputeTexture();
  ~vtkWebGPUComputeTexture() override;
 
private:
  vtkWebGPUComputeTexture(const vtkWebGPUComputeTexture&) = delete;
  void operator=(const vtkWebGPUComputeTexture&) = delete;
 
  // Total size of the texture in bytes
  vtkIdType ByteSize = -1;
 
  // The type of data that will be uploaded to the GPU
  TextureDataType DataType = TextureDataType::STD_VECTOR;
 
  // Pointer to the data that this buffer will contain. This variable DataPointer is only used when
  // the user set the buffer data (with SetData()) using an std::vector.
  const void* DataPointer = nullptr;
  // Data array containing the data that will be uploaded to the buffer. Only relevant if the user
  // called SetData(vtkDataArray).
  vtkDataArray* DataArray = nullptr;
 
  // Label used for debugging if something goes wrong.
  std::string Label = "Compute texture";
};
 
VTK_ABI_NAMESPACE_END
 
#endif